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13 March 2024 Vector-field femtosecond laser beam shaping using a DMD
Wei Liu, Shih-Chi Chen
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Proceedings Volume PC12900, Emerging Digital Micromirror Device Based Systems and Applications XVI; PC1290008 (2024) https://doi.org/10.1117/12.3002666
Event: SPIE OPTO, 2024, San Francisco, California, United States
Abstract
Polarization modulation plays a crucial role in various optical applications, e.g., microscopic imaging, optical communication, quantum optics, and remote sensing etc. In this work, we present a digital micromirror device (DMD)-based approach to modulate the polarization of a femtosecond laser at the DMD’s pattern rate, i.e., 4.2 kHz. Femtosecond laser pulses have been widely known for their ultrafast temporal characteristics and unique ability to induce complex nonlinear optical effects. Our work employs a DMD to realize efficient and versatile polarization modulation, surpassing conventional methods, e.g., liquid crystal-based spatial light modulator, in terms of both speed and cost.
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Wei Liu and Shih-Chi Chen "Vector-field femtosecond laser beam shaping using a DMD", Proc. SPIE PC12900, Emerging Digital Micromirror Device Based Systems and Applications XVI, PC1290008 (13 March 2024); https://doi.org/10.1117/12.3002666
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KEYWORDS
Polarization
Digital micromirror devices
Modulation
Femtosecond phenomena
Beam shaping
Femtosecond pulse shaping
Holograms
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